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集散控制系統(tǒng)(Distributed Control System-DCS)集計(jì)算機(jī)技術(shù)、控制技術(shù)、通信技術(shù)、CRT技術(shù)于一體,廣泛應(yīng)用于生產(chǎn)過(guò)程控制系統(tǒng)。隨著計(jì)算機(jī)和網(wǎng)絡(luò)技術(shù)的飛速發(fā)展,產(chǎn)生了一種新型的控制系統(tǒng)———現(xiàn)場(chǎng)總線控制系統(tǒng)(Fieldbus Control System-FCS)。但國(guó)內(nèi)生產(chǎn)企業(yè)的情況是:大多數(shù)企業(yè)還處于模擬儀表和人工控制的階段,采用DCS控制系統(tǒng)的企業(yè)仍是少數(shù)。由于DCS應(yīng)用廣泛、技術(shù)成熟,在現(xiàn)有的技術(shù)條件和市場(chǎng)條件下,F(xiàn)CS還不能完全取代DCS,而且目前現(xiàn)場(chǎng)總線設(shè)備和系統(tǒng)還十分昂貴。因此,除了新建企業(yè)外,國(guó)內(nèi)企業(yè)在較長(zhǎng)時(shí)間不可能全面采用現(xiàn)場(chǎng)總線技術(shù),而必須走逐步發(fā)展、過(guò)渡的道路。 ??我們?cè)谏虾J煞莨经h(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項(xiàng)目中,對(duì)3個(gè)生產(chǎn)單元已有的DCS和PLC進(jìn)行改造,增加通信功能,實(shí)現(xiàn)總調(diào)度室對(duì)各生產(chǎn)裝置的集中監(jiān)控。 2?系統(tǒng)改造方案?? 根據(jù)水質(zhì)凈化廠各生產(chǎn)單元的功能和建設(shè)階段,分為廠外調(diào)節(jié)池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個(gè)生產(chǎn)單元。另外,在廠部設(shè)有總調(diào)度室,但是總調(diào)度室的監(jiān)控水平較為落后,改造之前基本上不能對(duì)各個(gè)生產(chǎn)單元進(jìn)行監(jiān)控。為了適應(yīng)生產(chǎn)需要,提高生產(chǎn)效率,改善操作條件,加強(qiáng)監(jiān)控手段,確保各生產(chǎn)裝置的正常運(yùn)行,急需對(duì)各生產(chǎn)單元和總調(diào)度室進(jìn)行技術(shù)和設(shè)備的更新改造,從而能在總調(diào)度室對(duì)各裝置進(jìn)行監(jiān)視管理,及時(shí)了解各裝置的運(yùn)行情況,達(dá)到指揮及時(shí)和調(diào)度準(zhǔn)確的目的。 2.1?現(xiàn)場(chǎng)監(jiān)控系統(tǒng)的改造 ??現(xiàn)場(chǎng)監(jiān)控系統(tǒng)的改造要充分利用原有儀表和設(shè)備,主要考慮可靠性和實(shí)時(shí)性。首先對(duì)自控程度較高的3個(gè)單元進(jìn)行改造(系統(tǒng)結(jié)構(gòu)見(jiàn)圖2—1): ??四期污水處理生產(chǎn)單元控制設(shè)備配置了兩套ALLEN-BRADELY公司PLC設(shè)備。25塊開(kāi)關(guān)量輸入信號(hào)卡,可采集384點(diǎn)信號(hào);7塊開(kāi)關(guān)量輸出信號(hào)卡,可輸出112點(diǎn)信號(hào);3塊模擬量輸入信號(hào)卡,可采集24點(diǎn)信號(hào)。兩套AB—PLC通過(guò)DH+(數(shù)據(jù)高速通道)實(shí)現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場(chǎng)控制計(jì)算機(jī)上分別增加以太網(wǎng)卡,通過(guò)以太網(wǎng)將實(shí)時(shí)數(shù)據(jù)送到總調(diào)度室處理。??輸出192點(diǎn)信號(hào);1塊模擬量輸入信號(hào)卡,可采集8點(diǎn)信號(hào)。系統(tǒng)運(yùn)行采用遙控開(kāi)關(guān)操作與全模擬流程盤(pán)顯示。在原有的Siemens S5-115UPLC上增加RS-232通訊模塊(CP524)和1臺(tái)現(xiàn)場(chǎng)操作站,用點(diǎn)對(duì)點(diǎn)方法連接,使PLC的數(shù)據(jù)通過(guò)現(xiàn)場(chǎng)操作站送到以太網(wǎng)上,與總調(diào)度室監(jiān)控計(jì)算機(jī)通信。但RS-232傳輸速率只有9600bps,操作站僅對(duì)現(xiàn)場(chǎng)起到監(jiān)視作用。
Honeywell EasyIO-30PMTL BPCXH16
Rosemount 400-11-54
Olympus U8450007 TYPE D790-RL
Power One MAP80-4000
FESTO JMEBH-5/2-1/8-B
Pepperl + Fuchs KFD2-CR4-1.20
HONEYWELL PUB6438S
IEI EBC-3000-R11/ACE-A627A
B&R 7DM465.7 2003
Yaskawa PG-X2
Honeywell RP920A1017-2
Nortel Networks DCC-3000 5036474 NTV60377
WAGO 750-348/200-000
Schneider LXM32MD12N4
SMC I-SY5140-5LZ
HONEYWELL 16159/1/1
Carel PCOE0NTLN0
Schiele SMN-3 St?rungsmelder 110VAC 2.577.983
KISSLER 08-3000
Diebold OPTEVA 49-208102-000H
Honeywell 2MLF-AC8A
LINDE 3963810308
Norgren R05-200-RNEA
Honeywell 14505106-002
Metrohm 6.2832.010
Mettler Toledo IND780
LISTINGMIDORI GREENPOT Position Sensor CPP-45B
Schneider REL59913
WAGO 750-33
Pall AB2J0127PH1
B & R X20DS1319
Kongsberg NLC-2B/95
SULZER PCB CARD 112.017.103.200
SULZER PCB CARD 112.017.134.200
Eurotherm Temperature Controller 2404
Hengstler Signo 727 Position Indicator 12-24Vdc 0727101
CUH SDVC31-L
Aerotech BLMFS5-142-A-ES17638-02
Weidmuller 8543820000
Burkert Type 6281EV A13
Kipp & Zonen SMP3-A
Honeywell MLE-DC32A
PR Electronics 2222-A1
Honeywell 10101/2/1
Varley Bare Shaft Pump TYPE 20SR-55
LS PLC XGB Series XBF-AD04A
Honeywell SAI-1620m
Carrier Transicold 12-01058-10RP
ABB 3BSE021443R1 TU843
CONTREX M-TRIM-2
LISTINGCarlo Gavazzi PUA01C724500V
IKO CF20-1VBUUR
Cross Classic Century Global Passport Wallet With Pen - Black AC018173-1
Esser 781814
B&R Automation 3D0760.6
Ademco Honeywell 5853
Norgren R05-200-RNEA
Trumpf 0367430
Weidmüller 8860360000
Kipp & Zonen SMP3-A
Syncro DSP400EA
IVO NE216.012BX01000
LISTINGVEROPOWER Monovolt PK60-R 116-010220H
Schneider Electric ABL8WPS24200
VIDEOJET402787
E. Dold & Sohne AI 931 e/f AC 25-250
Pasolink Neo/i MDP-150MB-1AA
PARKER D1VW020HNTW91
Diebold OPTEVA 49-218937-000A
GRAM 57018028013
HONEYWELL INV-S Inverter INV015W43S
HONEYWELL H600A-1006
Interspiro 460-190-885
AllenBradley 1747-SDN
MTL 4024 SOLENOID/ALARM
3M 837010
FlexGuard IntelliSense FG-1525R
Honeywell 2MLR-M02P
ABB 3BSE020508R1
Carrier Transicold 12-00418-00RP
LISTINGDraka 424AND04
Schneider Electric BMXXBP0400
Cylon UC32
PHOENIX CONTACT MCR-CLP-UI/I-4
Tamura OLS-5BV
Schneider EBX210
Honeywell 51401496-100
MTL 5081
LISTINGMSA 10061272
Honeywell 10302/2/1
Turck SH-RSM-2RKM 50 (U2-14648)
BUSSMANN LPJ-25SP
PEPPERL+FUCHS OBT200-18GM60-E4-5M
HONEYWELL 2MLR-E12P-CC
Beckhoff BK3120
LISTINGNew MTL 4041B
Honeywell 120934 3/4"
Liquiflo Pump H5F Alloy-C Sealed Long-Coupled P/n: H5FS6PPPL000009
PEPPERL & FUCHS KFD0-HMS-16 / 186410
Delta DSC-1146E
MTL 5043
Honeywell CC-TDIL51
Cognex 158-1084R
PEPPERL FUCHS KFD2-SL-EX1.48
Becker & Hickl GmbH PDI-400-7.5-P
Schneider Electric PowerLogic PM210MG
HIMA 12100 4-fold Input MODULE Art No 984112100
OMEGA SWH252-100
NOTIFIER FCM-1-REL
MTL 5011B
Honeywell MasterLogic 2MLL-EFMT
Schneider Electric BMXXBP0400
Honeywell IS-2260T
Alcatel-Lucent OmniAccess 740 ALU OA740
NETASQ F500-D
DEIF Short Circuit and Overcurrent Relay Type RMC-122D
MTL5581
MITSUBISHI Q173DHDV
V5032Y0050A
PILZ PSEN ix 1 Multiple Interface -- 535120
Schneider Electric BMXP342000
Phoenix Contact CONTROL LOGIC ILC 150 ETH 2985330
Measurement Technology MTL 5044
Weidmuller 8951380000
Mitsubishi A9GT-QBUS2S
Rockwel Automation 2090-UXLF-110
Honeywell C7035A1056
Siemens M74006-A8210
SIEMENS 3SB5400-0B
Honeywell SPT4V0005PG5W02
COGNEX DM300-EXT
Mitsubishi Electric Q38B
Omron S8JX-N60024C
Schmersal AZM 161SK-12/12RK-024
PEPPERL FUCHS Inductive sensor NJ50-FP-N-P1
W.E.ST ELECTRONIK PAM-192-L-S1
Allen-Bradley 1762-MM1RTC
LISTINGCaldaro Conductive Plastic Potentiometer SFCPS22AC-6147B
Olympus U8800330 Type LCLD-316-5G
XAL 005-07077
LISTINGSeiko electric YBN-204-VK
B&R X20AT2222
Cabur XCSF5
TURCK - SH-BSM/2BKM
LISTINGEPE A1,5 GW0200P
Weidmuller 1222230000
LUXCO SMC-505
Bosch Rexroth 3842526564
CAREL EVD4 Module Card Controller EVD0000401
NSK Servo Drives ESA-Y2020T25-11
LISTINGEATON MOELLER EMT6
注:聯(lián)系我時(shí),請(qǐng)說(shuō)是在“傲立機(jī)床網(wǎng)”上看到的,謝謝!